What is midpoint

This formula finds the center of a line segment

What is a pentagon

This polygon has five sides

What is πr²

The formula for the area of a circle

What is a ray

This starts at one endpoint and goes on forever

What is net

The term for an "unfolded" three dimensional figure

What is distance

This formula measures the length from one point to another

What is circle

This shape is a continuous arc of 360 degrees

What is length times width

The area of a rectangle

What is a line

This goes on forever in opposite directions

What is isometric

A three-dimensional drawing centered on a corner of an object

What is perimeter or circumference

This formula computes the length of the outside of an object

What is a triangle

A three-sided polygon

What is one-half base times height (½b*h)

The area of a triangle

What is acute

An angle of less than 90°

What is orthographic

A set of drawings showing the front, side and top of an object

What is 180°

Supplementary angles add up to this

What is a prism

A three-dimensional object with rectangular sides and a congruent pair of polygon ends

What is length times width times height

The volume of a rectangular box

Line segment

Part of a line defined by two endpoints

What is a plane

A two-dimensional object that goes on forever in all directions

What is 90°

Complementry angles add up to this

What is a sphere

A circle rotated around 360°

What is ½ base times height times length

The volume of a triangular prism

What is obtuse

An angle greater than 90°

What is a line

Formed when two different planes intersect